Answer Happy

dimension of open channel 6.5(cmxcm)
Y1=1.1cm
p=18.5cm
determine
CE 308 HYDROLOGY AND WATER RESOURCES ENGINEERING SPILLWAY → Spillways evacuate extra flood to Subcritical volume downstream. Flow EGL H Ho VC Supercritical Flow 2 2.2 2.1 Overflow spillway Y = critical depth 3/2 Q = CLH)? 2 , h 3 2.0 = 1.9 P+H. = y,+" 2g 1.8 0.25 O-VA 0.75 1.75 2.25 1.25 PAL 278 A-y, xw C -- + 1.7719 6--00201 (2)* +02148647-09156) +1.982 (-23081 () * +14146)+1 ya (17+8F,? -) , AE = E,-E, (y-y)' F1 = - gy 4y,y, y Glven: 300 QUE It/hr • Dimension of open channels .Y cm Pcm . y? 3.70 &6 cmxcm) P: 1815 Determine: Co. Fra Fra. Ya and DE Discussion • Why do we observe supercritical flow, explain? • Is there a differences between observed ya and calculated ya? If yes, write the possible reasons What type of energy dissipating facility (type , Hlor etc.) do you prefer for this experiment. explain briefly?